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A bullet of mass m moving with velocity v strikes a block of mass M at rests and gets embedded into it .The kinetic energy of the composite block will be
Options
(a) 1/2 mv²x m/(m+M)
(b) 1/2 mv²x M/(m+M)
(c) 1/2 Mv²x (M+m)/M
(d) 1/2 Mv²x m/(m+M)
Correct Answer:
1/2 mv²x m/(m+M)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The half life of radioactive isotope ‘X’ is 50 years. It decays to
- The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
- Two cells when connected in series are balanced on 8m on a potentiometer.
- Volume of gas becomes four times if temperature becomes
- An electron having charge e and mass m is moving in a uniform electric field E.
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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